1 files changed, 199 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java
new file mode 100644
index 000000000..4375be740
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+
+import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.view.View;
+import android.widget.Toast;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.intents.OpenKeychainIntents;
+import org.sufficientlysecure.keychain.provider.TemporaryStorageProvider;
+import org.sufficientlysecure.keychain.ui.base.BaseActivity;
+
+
+public class DecryptActivity extends BaseActivity {
+
+    /* Intents */
+    public static final String ACTION_DECRYPT_FROM_CLIPBOARD = "DECRYPT_DATA_CLIPBOARD";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setFullScreenDialogClose(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                setResult(Activity.RESULT_CANCELED);
+                finish();
+            }
+        }, false);
+
+        // Handle intent actions
+        handleActions(savedInstanceState, getIntent());
+    }
+
+    @Override
+    protected void initLayout() {
+        setContentView(R.layout.decrypt_files_activity);
+    }
+
+    /**
+     * Handles all actions with this intent
+     */
+    private void handleActions(Bundle savedInstanceState, Intent intent) {
+
+        // No need to initialize fragments if we are just being restored
+        if (savedInstanceState != null) {
+            return;
+        }
+
+        ArrayList<Uri> uris = new ArrayList<>();
+
+        String action = intent.getAction();
+
+        if (action == null) {
+            Toast.makeText(this, "Error: No action specified!", Toast.LENGTH_LONG).show();
+            setResult(Activity.RESULT_CANCELED);
+            finish();
+            return;
+        }
+
+        try {
+
+            switch (action) {
+                case Intent.ACTION_SEND: {
+                    // When sending to Keychain Decrypt via share menu
+                    // Binary via content provider (could also be files)
+                    // override uri to get stream from send
+                    if (intent.hasExtra(Intent.EXTRA_STREAM)) {
+                        uris.add(intent.<Uri>getParcelableExtra(Intent.EXTRA_STREAM));
+                    } else if (intent.hasExtra(Intent.EXTRA_TEXT)) {
+                        String text = intent.getStringExtra(Intent.EXTRA_TEXT);
+                        Uri uri = readToTempFile(text);
+                        uris.add(uri);
+                    }
+
+                    break;
+                }
+
+                case Intent.ACTION_SEND_MULTIPLE: {
+                    if (intent.hasExtra(Intent.EXTRA_STREAM)) {
+                        uris = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM);
+                    } else if (intent.hasExtra(Intent.EXTRA_TEXT)) {
+                        for (String text : intent.getStringArrayListExtra(Intent.EXTRA_TEXT)) {
+                            Uri uri = readToTempFile(text);
+                            uris.add(uri);
+                        }
+                    }
+
+                    break;
+                }
+
+                case ACTION_DECRYPT_FROM_CLIPBOARD: {
+                    ClipboardManager clipMan = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
+                    ClipData clip = clipMan.getPrimaryClip();
+
+                    // check if data is available as uri
+                    Uri uri = null;
+                    for (int i = 0; i < clip.getItemCount(); i++) {
+                        ClipData.Item item = clip.getItemAt(i);
+                        Uri itemUri = item.getUri();
+                        if (itemUri != null) {
+                            uri = itemUri;
+                            break;
+                        }
+                    }
+
+                    // otherwise, coerce to text (almost always possible) and work from there
+                    if (uri == null) {
+                        String text = clip.getItemAt(0).coerceToText(this).toString();
+                        uri = readToTempFile(text);
+                    }
+                    uris.add(uri);
+
+                    break;
+                }
+
+                // for everything else, just work on the intent data
+                case OpenKeychainIntents.DECRYPT_DATA:
+                case Intent.ACTION_VIEW:
+                default:
+                    uris.add(intent.getData());
+
+            }
+
+
+        } catch (IOException e) {
+            Toast.makeText(this, R.string.error_reading_text, Toast.LENGTH_LONG).show();
+            finish();
+            return;
+        }
+
+        // Definitely need a data uri with the decrypt_data intent
+        if (uris.isEmpty()) {
+            Toast.makeText(this, "No data to decrypt!", Toast.LENGTH_LONG).show();
+            setResult(Activity.RESULT_CANCELED);
+            finish();
+            return;
+        }
+
+        displayListFragment(uris);
+
+    }
+
+    public Uri readToTempFile(String text) throws IOException {
+        Uri tempFile = TemporaryStorageProvider.createFile(this);
+        OutputStream outStream = getContentResolver().openOutputStream(tempFile);
+        outStream.write(text.getBytes());
+        outStream.close();
+        return tempFile;
+    }
+
+    public void displayListFragment(ArrayList<Uri> inputUris) {
+
+        DecryptListFragment frag = DecryptListFragment.newInstance(inputUris);
+
+        FragmentManager fragMan = getSupportFragmentManager();
+
+        FragmentTransaction trans = fragMan.beginTransaction();
+        trans.replace(R.id.decrypt_files_fragment_container, frag);
+
+        // if there already is a fragment, allow going back to that. otherwise, we're top level!
+        if (fragMan.getFragments() != null && !fragMan.getFragments().isEmpty()) {
+            trans.addToBackStack("list");
+        }
+
+        trans.commit();
+
+    }
+
+}